San Martin Airport
Daylight today(Sep 1, 2026, local time)
About 12h 59m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About San Martin Airport
San Martin Airport — formerly Q99 — is a public non-towered airport located 1 mi (1.6 km) east of San Martin, serving Santa Clara County, California, United States. This general aviation airport covers 179 acres (72 ha) and has one runway. A self-service fueling facility offers 94UL aviation gasoline continuously. Jet-A fuel is available from a full-service truck during FBO operating hours, and major airframe and powerplant service are available. San Martin Aviation is the fixed-base operator (FBO) at South County, serving aviation fuels and aircraft & hangar maintenance.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 14 / 32 | 3,095 ft / 943 m | 75 ft | Asp | Lighted | Open |
Radio frequencies (3)
| Type | Description | Frequency |
|---|---|---|
| A/D | NORCAL APP/DEP | 120.100 MHz |
| AWOS | — | 118.350 MHz |
| UNIC | CTAF/UNICOM | 122.700 MHz |
Instrument procedures & charts
Instrument approaches (1)
Takeoff & alternate minimums (2)
Showing 3 of 3 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| DZ PCA053 DAILY 0700-2200 | Special use | Danger | GND | 17999 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Obstacle | — | 2,093 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from San Martin Airport.
Frequently asked questions
Where is San Martin Airport located?
San Martin Airport is small airport located in San Martin, United States, at an elevation of 281 ft (86 m).
How many runways does San Martin Airport have?
San Martin Airport has 1 runway, the longest being 3,095 ft / 943 m.
What time zone is San Martin Airport in?
San Martin Airport is in the America/Los Angeles time zone (UTC-07:00).
What is the magnetic variation at San Martin Airport?
The magnetic variation (declination) at San Martin Airport is approximately 12.6° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near San Martin Airport?
The nearest airport to San Martin Airport is Frazier Lake Airpark (1C9), about 10 nm to the se, followed by Watsonville Municipal Airport and Hollister Municipal Airport.
Is the information on this page suitable for flight planning?
No. San Martin Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.